MTF32 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – Tuning Fork Quartz Crystal

Quartz Crystal · MTF32
Tuning Fork Crystal · 3.0 x 8.0 mm
actual size
■ 3 x 8 mm cylinder type
■ 32.768 kHz standard
RoHS
2002/95/EC
Pb free: pins and pads
General Data
type
frequency
frequency tolerance at 25 °C ± 5 °C
load capacitance C_L
temperature constant
frequency temperature characteristic
operating tenperature range
shunt capacitance C_o
series resistance max. ( ESR )
storage temperature
drive level max.
aging first year
MTF32
32.768 kHz (15.0 ~ 150.0 kHz on request)
± 10 ppm / ± 20 ppm
10 pF / 12.5 pF (6 pF ~ 12.5 pF)
-0.04 · 10^-6 / °C² max.
-0.034 · 10^-6 / °C² typical
f (ppm) = -0.04 ( 25 °C - T )²
T = requested temperature
-20 °C ~ +70 °C / -40 °C ~ +85 °C
1.7 pF typical
30.0 kΩ
-40 °C ~ +90 °C
1 µW
< ± 5 ppm
Frequency Stability vs. Temperature
-20 °C ~ +70 °C
-40 °C ~ +85 °C
- 80 ppm - 160 ppm
STD.
•
T1
•
• ^standard
Wave Soldering Profile
260
200
ca. 3.5 °C/s
150
ca. 2.0 °C/s
ca. 5.0 °C/s
100
50
0
20 60 100 140 180 220 time (seconds)
Dimensions
Marking
Date code ( month / year )
8.0^+0.3/-0.2 10.0^±1.0
date code:
A ~ M: Jan.- Dec.
5: 2005
6: 2006
7: 2007
in mm
Jan. Febr. Mar. Apr. May June
A
B
C
D
E
F
July Aug. Sept. Oct. Nov. Dec.
G
H
J
K
L
M
Mounting
Mounting: if the crystal should be mounted vertically to your board (see picture), do not directly
solder the metal can. The crystal may be overheated by the direct heat flow.
Please use glue (hot-melt adhesive) or mechanical clamping to fasten the metal can.
glue
crystal
heat isolating material
PC board
Order Information
Q
Quartz
frequency
0.032768 MHz
type
MTF32
load capacitance
6 pF ~ 12.5 pF
10.0 pF Std.
12.5 pF Std.
stability at
25 °C
20 = ± 20 ppm
10 = ± 10 ppm
Example: Q 0.032768-MTF32-12.5-30 (Suffix LF = RoHS compliant / Pb free pads)
option
blank = -20 °C ~ +70 °C
T1 = -40 °C ~ +85 °C
Jauch Quartz GmbH ^• e-mail: [e-mail]
Internet: www.jauch.de / www.jauch.fr / www.jauchusa.com
All specifications are subject to change without notice